Modification of a Commercial Attraction Trap for Live Trapping of Monochamus alternatus(Hope) Adults(Coleoptera;Cerambycidae).

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  • サンケイ式昆虫誘引器を改良したマツノマダラカミキリ生け捕り用トラップ
  • サンケイシキ コンチュウ ユウインキ オ カイリョウ シタ マツノマダラカミキリ イケドリ ヨウ トラップ

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Abstract

A trap for capturing Monochamus alternatus adults alive was devised by adding a plastic funnel to a commercial attraction trap. The funnel was set in a bucket to prevent collected adults from escaping. About 30% of collected beetles escaped from buckets with funnels per day on average under experimental conditions. Twenty-one traps were set in pine stands and captured beetles were collected every 3-4 days. The escape ratio during each census period was estimated at 34-56%, corresponding well to the value estimated from the laboratory experiment. On sunny summer days, the temperature in the buckets reached 45-49°C, which seemed to be lethal to the beetles. The maximum temperature in buckets covered with aluminum foil was about 6°C lower than in the uncovered bucket, but was still too hot to keep captured beetles alive.

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